Home / 31,942.16-47,929.64-14,184.98

Finding the Fourth Proportional to 31,942.16, 47,929.64 and 14,184.98

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Solution

The fourth proportional to 31,942.16, 47,929.64 and 14,184.98 is: 21,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,942.16 : 47,929.64 = 14,184.98 : x
  2. Step 2: Convert to fraction form
    31,942.16/47,929.64 = 14,184.98/x
  3. Step 3: Cross multiply
    31,942.16x = 47,929.64 × 14,184.98
  4. Step 4: Simplify right side
    31,942.16x = 679,880,984.81
  5. Step 5: Solve for x
    x = 679,880,984.81/31,942.16
  6. Step 6: Final answer
    x = 21,284.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.